a physical change? a chemical change? both? neither?
2007-02-23 06:28:06 · 4 answers · asked by peter the great 1 in Science & Mathematics ➔ Chemistry
I think both. The sun's ultraviolet causes physical changes in your skin (e.g., skin cells are destroyed and fryed), and causes your skin to release a chemical, (I think it's called mellanin) to try to protect your skin from further damage.
2007-02-23 06:32:34 · answer #1 · answered by Anonymous · 0⤊ 1⤋
Sitting in the sun first, I think (or sunbead) And it's a chemical change
2007-02-23 14:31:47 · answer #2 · answered by free n' dating 2 · 0⤊ 0⤋
Suntanning is a chemical change. Color change is a chemical change.
2007-02-23 14:34:13 · answer #3 · answered by science teacher 7 · 0⤊ 0⤋
Can I take the physical challenge?
Physical change.
2007-02-23 14:37:15 · answer #4 · answered by pcbatl 2 · 0⤊ 0⤋